List of the Mollnsca of Missouri. 87 



71. Bifidaria holzingeri Sterki. 



Jasper Co. (1); Providence, Boone Co. (40). 



72. Bifidaria procera Gld. 



Sedalia, Pettis Co. (25) ; Nevada, Vernon Co. 

 (var.) (1) ; Providence, Boone Co. (54) ; Jeffer- 

 son City, Cole Co. (2). 



VERTIGO Mull. 



73. Vertigo gouldii Binney. 



Providence, Boone Co. (11). 



Cochlicopidje. 

 cochlicopa Fer. 



74. Cochlicopa lubrica Mull. 



Seligman, Barry Co. (Pils.). 



HETERURETHA. 



Elasmognatha. 



succineid-e. 

 succinea Drap. 



75. Succinea ovalis Say. 



Providence, Boone Co. (4), (4); Callaway Co. 

 (Greger). 



Postpliocene : — Glasgow, Howard Co. (var.) 

 (5); Bluff City Landing (Hambach). 



One lot from Providence was from low ground in the 

 river bottom, and the shells were 18 mm. long. 



